2451005542 has 4 divisors (see below), whose sum is σ = 3676508316. Its totient is φ = 1225502770.

The previous prime is 2451005503. The next prime is 2451005563. The reversal of 2451005542 is 2455001542.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2451005542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612751384 + ... + 612751387.

It is an arithmetic number, because the mean of its divisors is an integer number (919127079).

Almost surely, 2^2451005542 is an apocalyptic number.

2451005542 is a deficient number, since it is larger than the sum of its proper divisors (1225502774).

2451005542 is a wasteful number, since it uses less digits than its factorization.

2451005542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225502773.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2451005542 is about 49507.6311491471. The cubic root of 2451005542 is about 1348.2841560794.

The spelling of 2451005542 in words is "two billion, four hundred fifty-one million, five thousand, five hundred forty-two".